Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 877. Orthocladiinae 288 Acricotopus

877a. Tergites (II)III-VI with a median transverse pair of point patches, often joined by small points (080c.jpg). Thoracic horn elongate, toothed (more densely towards apex) and narrowed to a pointed tip (080b.jpg). (Tergites VII and VIII without armament. Apical setae of anal lobes of equal length (080d.jpg).)
080-1.jpg species overview

Acricotopus lucens

877b. Mid-tergite armament not obviously paired, or if somewhat paired, present on tergites III-VIII and the inner anal lobe seta smaller than the other two.

Step 878. Orthocladiinae 289 Paratrichocladius
Decision path